[CodeGen] Use std::optional in MachineOperand.cpp (NFC)
authorKazu Hirata <kazu@google.com>
Sat, 26 Nov 2022 22:55:08 +0000 (14:55 -0800)
committerKazu Hirata <kazu@google.com>
Sat, 26 Nov 2022 22:55:08 +0000 (14:55 -0800)
commit8a45032e5c3ad8581fd925b1ec670c82df38f8fe
tree10ef35b9b20eb7308388c9abd45bf36b859d3c54
parent3ff6ed810381846c37be960e13d7f71596226a3f
[CodeGen] Use std::optional in MachineOperand.cpp (NFC)

This is part of an effort to migrate from llvm::Optional to
std::optional:

https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716
llvm/lib/CodeGen/MachineOperand.cpp